Smoking pipe



FIG. 1 is a top plan view of a smoking pipe showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is an end view of one end thereof; and

FIG. 5 is an end view of the opposite end thereof. 

The ornamental design for a smoking pipe, substantially as shown. 